[jira] [Created] (AMBARI-20620) Add hashing support into agent for caches ; add topology and metadata cache

[Andrew Onischuk (JIRA)]

Andrew Onischuk created AMBARI-20620:
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             Summary: Add hashing support into agent for caches ; add topology 
and metadata cache
                 Key: AMBARI-20620
                 URL: https://issues.apache.org/jira/browse/AMBARI-20620
             Project: Ambari
          Issue Type: Bug
            Reporter: Andrew Onischuk
            Assignee: Andrew Onischuk
             Fix For: 3.0.0
         Attachments: AMBARI-20620.patch

Details about hashing can be found in the design doc
<https://docs.google.com/a/hortonworks.com/document/d/1p4ZW4r_QYx-
QSvQUbeK7BF4MF6v8rVPs6vD-JwDf4Mk/edit?usp=sharing>

Also we should making cache immutable so that in future we will be fool-proof
of someone changing the cache dictionary in runtime. Resulting in redundant
synchronization of caches between agent and server.





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